<pre class="card card-block card-header">{{radioModel || 'null'}}</pre>
<div class="btn-group">
  <label class="btn btn-primary" [(ngModel)]="radioModel"
         btnRadio="Left" tabindex="0" role="button">Left</label>
  <label class="btn btn-primary" [(ngModel)]="radioModel"
         btnRadio="Middle" tabindex="0" role="button">Middle</label>
  <label class="btn btn-primary" [(ngModel)]="radioModel"
         btnRadio="Right" tabindex="0" role="button">Right</label>
</div>
<div class="btn-group" btnRadioGroup [(ngModel)]="radioModel">
  <label class="btn btn-success" btnRadio="Left"
         tabindex="0" role="button">Left</label>
  <label class="btn btn-success" btnRadio="Middle"
         tabindex="0" role="button">Middle</label>
  <label class="btn btn-success" btnRadio="Right"
         tabindex="0" role="button">Right</label>
</div>
